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juin [17]
3 years ago
5

Which expression is equivalent to 3(2/3p+3-1/3p-5)

Mathematics
1 answer:
kaheart [24]3 years ago
4 0

Answer:

− 6

Step-by-step explanation:

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Simplify<br> -3c+5d+3c-d
Rina8888 [55]

Answer:

4d

-3x+3c+5d-d

=0+4d

=4d

8 0
3 years ago
Read 2 more answers
Find the surface area of the rectangular prism.<br> 15 cm<br> 3 cm<br> 5 cm
garik1379 [7]

Answer:

Step-by-step explanation:

Formula

SA = 2*L*w + 2*L*h + 2*h*w

Givens

L =  15

w = 5

h = 3

Solution

SA = 2*15*5 + 2*15*3 + 2*5*3

SA = 150 + 90 + 30

SA = 270 cm^2

5 0
3 years ago
What is an equivalent expression for 3a + 6ab + 9ab - 3(a + ab)?
Troyanec [42]
The given expression is 3a+6ab+9ab-3(a+ab)

We see from the possible answers they are all in reduced form - variables are grouped together. That means we should also reduce the given expression to see which answer is equivalent to it.

3a+6ab+9ab-3(a+ab)

Let's expand the term inside the parentheses first, by multiplying each term inside by the coefficient of the parentheses, -3.
3a+6ab+9ab-3a-3ab

Now let's group terms which have the same variables.
3a-3a+6ab+9ab+3ab

We can see that there are two groups:
3a-3a
6ab+9ab-3ab

Let's evaluate them separately. We just need to reduce each group now, since we've already grouped similar terms.
3a-3a=0
6ab+9ab-3ab=12ab

If we put the groups back together into the expression,
3a-3a+6ab+9ab-3ab=(3a-3a)+(6ab+9ab-3ab)=0+12ab=12ab

We can see that 3a+6ab+9ab-3(a+ab)=12ab. So (D) is the answer. Hope this helped.
6 0
4 years ago
Only number 14. Pls explain this is confusing
Sonja [21]

Answer:

9.8

Step-by-step explanation

basically its just x/sin55=12/sin90 bc you plug into equation a/sina= b/sinb so then you x/sin55=12

                      sin55*12=x x=9.8

4 0
3 years ago
What the answer to this
Firlakuza [10]

Answer:

I think it might be a I don't know for sure though I just need some more points so I can ask a question myself sorry if this didn't help

5 0
3 years ago
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